I have tried completely rebuilding the robot 3 times and it still has the same problem. I dont know what to do. If any knows how to fix this, please help. (I didnt know whag category this should go into so sorry if it is misplaced)
From what You tell in this post, nobody can help You.
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Just reverse the wires on either the front or rear motors. If the controller then feels backwards, it was the other wheels.
Is this ELEGOO or LAFVIN?
Remove all connections. Connect only one right wheel. Make a small program to run only that one motor. Repeat with the next wheel.